<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>购物车</title>
    <%@ include file="/pages/common/head.jsp" %>
    <script type="text/javascript">
        $(function () {
            $("a.deleteItem").click(function () {
                let name = $(this).parent().parent().find("td.name").text();
                return confirm("确定要删除【" + name + "】吗？");
            });

            $("a.clear").click(function () {
                return confirm("确定要清空购物车吗？");
            });

            $("input[name=count]").change(function () {
                let name = $(this).parent().parent().find("td.name").text();
                let count = $(this).val();
                if (confirm("确定要将【" + name + "】的数量设定为："+count+"吗？")) {
                    location.href = "CartServlet?action=updateCount&id=" + $(this).attr("itemid") + "&count=" + count;
                } else {
                    this.value = this.defaultValue;
                }

                return false;
            });
        });
    </script>
</head>
<body>

<div id="header">
    <img class="logo_img" alt="" src="static/img/logo.gif">
    <span class="wel_word">购物车</span>
    <%@ include file="/pages/common/login_success_menu.jsp" %>
</div>

<div id="main">
    <table>
        <tr>
            <td>商品名称</td>
            <td>数量</td>
            <td>单价</td>
            <td>金额</td>
            <td>操作</td>
        </tr>
        <c:if test="${!empty sessionScope.cart && sessionScope.cart.count != 0}">

            <c:forEach items="${sessionScope.cart.items}" var="item">
                <tr>
                    <td class="name">${item.value.name}</td>
                    <td class="count"><input type="text" style="width: 30px; text-align: center" name="count"
                                             itemid="${item.value.id}" value="${item.value.count}"></td>
                    <td class="price">${item.value.price}</td>
                    <td class="totalPrice">${item.value.totalPrice}</td>
                    <td><a class="deleteItem" href="CartServlet?action=deleteItem&id=${item.value.id}">删除</a></td>
                </tr>
            </c:forEach>
        </c:if>
        <c:if test="${empty sessionScope.cart || sessionScope.cart.count == 0}">
            <tr>
                <td colspan="5"><a href="index.jsp">购物车是空的！去购买商品吧！</a></td>
            </tr>
        </c:if>
    </table>
    <c:if test="${!empty sessionScope.cart && sessionScope.cart.count != 0}">
        <div class="cart_info">
            <span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.count}</span>件商品</span>
            <span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
            <span class="cart_span"><a class="clear" href="CartServlet?action=clear">清空购物车</a></span>
            <span class="cart_span"><a href="OrderServlet?action=createOrder">去结账</a></span>
        </div>
    </c:if>

</div>
<%@ include file="/pages/common/footer.jsp" %>
</body>
</html>